It's good in my opinion, but having never used any deadener until today, or any butyl based products at all for that matter, I can't compare it to anything. It was easy to lay on the panel and the outer skin of the door, but the inner skin was difficult due to the components of the power windows. There were no issues with the butyl sticking though (with and without the heat gun, as it stuck to anything it touched. I didn't use my heat gun on the door, just the panels. I think it's a good product